def test_sequence():
"""Collects each Effectful result into a list."""
effs = [Effect("a"), Effect("b"), Effect("c")]
dispatcher = [("a", lambda i: "Ei"), ("b", lambda i: "Bee"), ("c", lambda i: "Cee")]
eff = sequence(effs)
result = perform_sequence(dispatcher, eff)
assert result == ["Ei", "Bee", "Cee"]
def test_sequence():
"""Collects each Effectful result into a list."""
effs = [Effect("a"), Effect("b"), Effect("c")]
dispatcher = [
("a", lambda i: "Ei"),
("b", lambda i: "Bee"),
("c", lambda i: "Cee"),
]
eff = sequence(effs)
result = perform_sequence(dispatcher, eff)
assert result == ["Ei", "Bee", "Cee"]
def test_sequence():
"""Collects each Effectful result into a list."""
effs = [Effect('a'), Effect('b'), Effect('c')]
dispatcher = [
('a', lambda i: 'Ei'),
('b', lambda i: 'Bee'),
('c', lambda i: 'Cee'),
]
eff = sequence(effs)
result = perform_sequence(dispatcher, eff)
assert result == ['Ei', 'Bee', 'Cee']
def test_sequence():
"""Collects each Effectful result into a list."""
effs = [Effect('a'), Effect('b'), Effect('c')]
dispatcher = SequenceDispatcher([
('a', lambda i: 'Ei'),
('b', lambda i: 'Bee'),
('c', lambda i: 'Cee'),
])
eff = sequence(effs)
with dispatcher.consume():
result = sync_perform(_base_and(dispatcher), eff)
assert result == ['Ei', 'Bee', 'Cee']
def test_sequence_error():
"""
Allows :obj:`FoldError` to be raised when an Effect fails. The list
accumulated so far is the `accumulator` value in the :obj:`FoldError`.
"""
effs = [Effect("a"), Effect(Error(ZeroDivisionError("foo"))), Effect("c")]
dispatcher = [("a", lambda i: "Ei")]
eff = sequence(effs)
with raises(FoldError) as excinfo:
perform_sequence(dispatcher, eff)
assert excinfo.value.accumulator == ["Ei"]
assert excinfo.value.wrapped_exception[0] is ZeroDivisionError
assert str(excinfo.value.wrapped_exception[1]) == "foo"
def test_sequence_error():
"""
Allows :obj:`FoldError` to be raised when an Effect fails. The list
accumulated so far is the `accumulator` value in the :obj:`FoldError`.
"""
effs = [Effect("a"), Effect(Error(ZeroDivisionError("foo"))), Effect("c")]
dispatcher = [("a", lambda i: "Ei")]
eff = sequence(effs)
with raises(FoldError) as excinfo:
perform_sequence(dispatcher, eff)
assert excinfo.value.accumulator == ["Ei"]
assert_that(excinfo.value.wrapped_exception,
MatchesException(ZeroDivisionError("foo")))
def test_sequence_error():
"""
Allows :obj:`FoldError` to be raised when an Effect fails. The list
accumulated so far is the `accumulator` value in the :obj:`FoldError`.
"""
effs = [Effect('a'), Effect(Error(ZeroDivisionError('foo'))), Effect('c')]
dispatcher = [('a', lambda i: 'Ei')]
eff = sequence(effs)
with raises(FoldError) as excinfo:
perform_sequence(dispatcher, eff)
assert excinfo.value.accumulator == ['Ei']
assert excinfo.value.wrapped_exception[0] is ZeroDivisionError
assert str(excinfo.value.wrapped_exception[1]) == 'foo'
def test_sequence_empty():
"""Returns an empty list when there are no Effects."""
assert sync_perform(base_dispatcher, sequence([])) == []
def test_sequence_empty():
"""Returns an empty list when there are no Effects."""
assert sync_perform(base_dispatcher, sequence([])) == []
